A Low Power Low Flicker Noise Merged Balun LNA and Mixer for 5.2GHz Wireless LAN Receivers

被引：1
|
作者：
Galal, A. I. A. [1 ]
Abdelghany, M. A. [1 ]
Pokharel, R. K. [1 ]
Kanaya, H. [1 ]
Yoshida, K. [1 ]
机构：
[1] Kyushu Univ, Grad Sch Informat Sci & Elect Engn, Nishi Ku, Fukuoka 8190395, Japan
来源：
TENCON 2010: 2010 IEEE REGION 10 CONFERENCE | 2010年
关键词：
Low noise amplifier (LNA); Mixer; Flicker noise; Wireless LAN;
D O I：
10.1109/TENCON.2010.5686142
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
This paper describes the design and implementation of a merged balun LNA and mixer for the wireless LAN receivers. The proposed architecture of LNA combines the functionality of a balun and LNA in one component. Dynamic current injection (DCI) technique has been used in the mixer circuit to decrease the flicker noise (1/f) corner frequency for the intermediate frequency (IF) output. The LNA and mixer chip covers a frequency range from 4.8 to 5.7 GHz RF signal. The proposed design has been fabricated using TSMC 0.18 mu m CMOS process. The measured conversion gain shows 27 dB and a minimum noise figure of 4.8 dB from 10 to 200 MHz IF output. The measured IIP3 shows a -5 dBm, with 14 mA current drawn from a 1.8 V.
引用
收藏
页码：1517 / 1520
页数：4
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